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Sewage treatment mixer

A technology of sewage treatment and mixer, which is applied in the direction of biological water/sewage treatment, water/sludge/sewage treatment, mixer with rotating stirring device, etc. It can solve the problems of complicated installation, cost increase, time-consuming and labor-intensive, and achieve saving Energy, stirring effect enhancement, stirring volume increase effect

Inactive Publication Date: 2012-10-10
JIANGSU UNIV
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  • Description
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Problems solved by technology

Installation is complicated, time-consuming and labor-intensive, which increases the cost

Method used

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0014] Such as figure 1 As shown, a sewage treatment mixer includes a submersible motor 1, a double output shaft connected with the submersible motor 1, a reducer 2 and two identical impellers A3 and B4, and the impellers A3 and B4 are respectively connected to the double output The two output shafts of the shaft reducer 2 are connected.

[0015] Such as figure 2 As shown, the blade shapes of impeller A3 and impeller B4 are designed according to the lift line theory, and the appropriate NACA4406-NACA4415 airfoil is selected, with the middle part being larger and the two ends being smaller. The thickness of the blade is uniformly thinned from the root to the top, and the length of the airfoil is uniformly shortened from the root to the top. The flow channel of this twisted airfoil blade can better meet the characteristics of the water flow line, ensur...

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Abstract

A sewage treatment mixer is characterized by comprising a submersible motor (1), a double-output-shaft speed reducer (2), an impeller A (3) and an impeller B (4), wherein the double-output-shaft speed reducer (2) is connected with the submersible motor (1), and the impeller A (3) and the impeller B (4) are connected with two output shafts of the double-output-shaft speed reducer (2) respectively. When the sewage treatment mixer is used for mixing sewage, four greater circulations are formed in a water tank under interaction of the two impellers and walls of the water tank, the mixing width is obviously increased, the mixing volume is greatly increased, the mixing effect is obviously enhanced, energy is saved as one motor drives the two impellers through the speed reducer, the two impellers are symmetrically arranged, and the sewage treatment mixer is high in stability and is safe and reliable when running.

Description

technical field [0001] The invention relates to a sewage treatment mixer, in particular to a novel double impeller sewage treatment mixer. Background technique [0002] With the rapid development of industry, my country's water resources are seriously polluted, and the country attaches great importance to the prevention and control of the environment. Especially in terms of sewage treatment, my country clearly pointed out in the "Twelfth Five-Year Plan" that we should vigorously improve the capacity of urban domestic sewage and garbage treatment. By 2015, the rate of urban sewage treatment and the rate of harmless treatment of domestic garbage will reach 85% and 85% respectively. 80%. Sewage treatment is an important measure for environmental protection departments and enterprises to solve wastewater pollution in environmental pollution. Among them, sewage treatment mixer is an important sewage treatment mixing machine, suitable for urban and rural sewage treatment plants, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F7/04C02F3/12
CPCY02W10/10
Inventor 田飞施卫东郎涛李伟卢熙宁曹卫东张德胜吴苏青
Owner JIANGSU UNIV
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